*{
    box-sizing: border-box;
}

.chooseRecyce{
    display: flex;
    justify-content: space-around;
}
.mi-r{
    /*display: none;*/
    /* height: calc(100% - 60px); */
}
iframe{
    width: 100%;
    height: calc(100% - 50px);
}
.nav{
    height: 50px;
    width: 100%;
    background-color: white;
    border-bottom: 1px solid #8e8e8e;
}
.nav ul{
    list-style: none;
}
.nav li{
    width: 33.33%;
    float: left;
    text-align: center;
    font-size: 1rem;
}
.nav li a{
    text-decoration: none;
}
.nav li a span{
    line-height: 50px;

}
.nav li a:focus span{
    border-bottom: 3px solid #8e8e8e;
}html{
     height: 100%;
     font-size: 10px;
 }
body{
    height: 100%;
    background-color: #fff;
    font-size: 1.4rem;
    min-width: 320px;
}

*{
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html,body,div,ul,li,ol,li,dl,dt,dd,h1,h2,h3,h4,h5,p,table,thead,tbody,tfoot,tr,th,td,form{
    margin: 0;
    padding: 0;
}

ul,ol {
    list-style: none;
    font-size:inherit;
    color:inherit;
}

span,b,i,em,del,strong,big,small,pre {
    margin:0;
    padding:0;
    border:0;
    font-style:normal;
    font-size:inherit;
    color:inherit;
}

del{text-decoration:none;}

a {
    margin:0;
    padding:0;
    border:0;
    text-decoration: none;
    font-size:inherit;
    color:inherit;
}

iframe,frame,frameset {
    margin:0;
    padding:0;
    border:0;
    font-size:inherit;
    color:inherit;
}

input,textarea,button,select,option,label,optgroup,fieldset,legend {
    margin:0;
    padding:0;
    border:0;
    font-size:inherit;
    color:inherit;
}

button::-moz-focus-inner,input[type=reset]::-moz-focus-inner,input[type=button]::-moz-focus-inner,input[type=submit]::-moz-focus-inner,input[type=file]>input[type=button]::-moz-focus-inner
{
    border:0;
    padding:0;
}

:focus {outline:0;}

.fl {float:left;}
.fr {float:right;}
.fn {float:none;}
.al {text-align: left;}
.ac {text-align:center;}
.ar {text-align: right;}
.clear {clear: both;}
.clearfix::after{display: block;overflow: hidden;clear:both;height:0;line-height: 0;font-size:0;padding: 0;margin: 0;}